<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 登录的表单区域 -->
      <el-form
        style="margin-top: 8px"
        :model="loginForms"
        ref="loginForm"
        :rules="loginRules"
      >
        <el-form-item prop="username">
          <el-input
            placeholder="请输入用户名"
            v-model="loginForms.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            placeholder="请输入密码"
            v-model="loginForms.password"
            type="password"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" style="width: 100%" @click="loginFn">登录</el-button>
          <el-link type="info" @click="$router.push('/register')">去注册</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
import { loginAPI } from '@/api'
import { mapMutations } from 'vuex'
export default {
  name: 'myLogin',
  data () {
    return {
      loginForms: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: '用户名为1-10位大小写字母和数字',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,15}$/,
            message: '密码为6-15位非空格字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    ...mapMutations(['updateToken']),
    loginFn () {
      this.$refs.loginForm.validate(async valid => {
        if (!valid) return false
        const { data: res } = await loginAPI(this.loginForms)
        console.log(res)
        if (res.code !== 0) return this.$message.error('账号或密码错误')
        this.$message.success('登录成功')
        this.updateToken(res.token)
        this.$router.push('/')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100vh;

  .reg-box {
    width: 400px;
    height: 285px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 30px;

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }

    .btn-reg {
      width: 100%;
    }
  }
}
</style>
